This youth on the subway refused to move his legs, so this guy decided to sit on him

Perhaps the mother’s thoughts were something else entirely. It is also conceivable that she was so engrossed in her world that she didn’t even notice or care what was going on next to her with her child.

She may have mistaken the mother sitting on her kid for an accident. She was preoccupied with her stop, but she nevertheless missed it. So, maybe she should have paid closer attention.